Mark Twain, whose real name was Samuel Clemens, was born in 1835 in Missouri along the Mississippi River. After his father died when he was 12, Clemens worked as a printer and began writing stories at age 17. He worked as a steamboat pilot on the Mississippi in 1858 but later became a Confederate soldier and newspaper reporter in San Francisco. Under the pen name Mark Twain, he wrote famous novels about growing up along the Mississippi, including Tom Sawyer and Huckleberry Finn. Twain traveled widely in the United States and Europe and became a renowned public speaker later in life before passing away in 1910.